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Nutrients
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Micronutrient Intake during Pregnancy
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Micronutrient Intake during Pregnancy

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Micronutrients and Human Health".

Deadline for manuscript submissions: closed (5 August 2024) | Viewed by 7424

Special Issue Editor

Dr. Jiajie Zang

E-Mail Website
Guest Editor
Shanghai Municipal Center for Disease Control and Prevention, Shanghai 200336, China
Interests: nutrition; dietary; micronutrient; pregnancy

Special Issue Information

Dear Colleagues,

Maternal gestation and lactation are critical time periods for neonatal growth and development, during which maternal nutritional intake is correlated with infant well-being across one’s lifespan. It is particularly important to increase our understanding of the nutritional status of micronutrients during pregnancy and postpartum and their health effect, given that many micronutrients are distributed differently in mothers in different countries and regions and have inconsistent health effects.

This Special Issue invites submissions of manuscripts with an emphasis on the interplay between the interactions of maternal micronutrient nutritional status, including dietary/supplement intake, endogenous biomarkers, and health outcomes. We welcome different types of manuscript submissions, including original research articles and systematic reviews.

Research areas may include (but are not limited to) the following:

  • The impact of micronutrients on pregnancy-related diseases;
  • The impact of micronutrients on pregnancy outcomes;
  • The impact of micronutrients on infant growth and development;
  • Health policy research related to micronutrients during pregnancy.

We look forward to receiving your contributions.

Dr. Jiajie Zang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nutrients is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • micronutrients
  • maternal health
  • offspring health
  • gestation
  • lactation
  • diet intake
  • diet quality

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Published Papers (3 papers)

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Research

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10 pages, 1172 KiB  
Article
Maternal Urinary Iodine Concentration during Pregnancy and Its Impact on Child Growth and Neurodevelopment: An 11-Year Follow-Up Study
by Carla A. Lopes, Marta Duarte, Susana Prazeres, Ivone Carvalho, Laura Vilarinho, José Martinez-de-Oliveira, Edward Limbert and Manuel C. Lemos
Nutrients 2023, 15(20), 4447; https://doi.org/10.3390/nu15204447 - 20 Oct 2023
Cited by 1 | Viewed by 2324
Abstract
Mild-to-moderate iodine deficiency during pregnancy is prevalent worldwide, but its consequences for maternal and child health are not clear. We aimed to investigate the impact of maternal iodine intake during pregnancy on the child’s growth and neurodevelopment. This study involved a cohort of [...] Read more.
Mild-to-moderate iodine deficiency during pregnancy is prevalent worldwide, but its consequences for maternal and child health are not clear. We aimed to investigate the impact of maternal iodine intake during pregnancy on the child’s growth and neurodevelopment. This study involved a cohort of 11-year-old children (n = 70) whose mothers had participated in an iodine intake survey during pregnancy. Gestational, neonatal, anthropometric, intelligence quotient (IQ), and socioeconomic parameters were analyzed according to maternal urinary iodine concentration (UIC). There was a positive linear trend of current height Z-score, full-scale IQ, verbal IQ, family income, maternal education, and a negative trend of neonatal TSH levels with increasing maternal UIC levels. However, regression analysis indicated that maternal UIC was not an independent predictor of any gestational, neonatal, or childhood development parameter. Only maternal school education was positively associated with child height and IQ. In conclusion, we did not find any evidence of a direct effect of maternal iodine intake during pregnancy on the long-term growth and neurodevelopment of children. The results suggest that socioeconomic factors are important confounding factors that affect both maternal iodine intake and child development and must be considered when investigating the association between maternal iodine intake and child outcomes. Full article
(This article belongs to the Special Issue Micronutrient Intake during Pregnancy)
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11 pages, 932 KiB  
Article
The Joint Effects of Bisphenols and Iodine Exposure on Thyroid during Pregnancy
by Wei Lu, Zhuo Sun, Zhengyuan Wang, Mengying Qu, Zehuan Shi, Qi Song, Liping Shen, Shupeng Mai, Yuan Wang, Xinyu Hong and Jiajie Zang
Nutrients 2023, 15(15), 3422; https://doi.org/10.3390/nu15153422 - 2 Aug 2023
Cited by 3 | Viewed by 2001
Abstract
The aim of this research was to study the combined effects of bisphenols and iodine exposure on the thyroid gland during pregnancy. We included 162 pregnant women from a cohort established in Shanghai. Urinary concentrations of bisphenol A, bisphenol B(BPB), bisphenol C(BPC), bisphenol [...] Read more.
The aim of this research was to study the combined effects of bisphenols and iodine exposure on the thyroid gland during pregnancy. We included 162 pregnant women from a cohort established in Shanghai. Urinary concentrations of bisphenol A, bisphenol B(BPB), bisphenol C(BPC), bisphenol F, bisphenol S, and bisphenol AF(BPAF) were examined. Bayesian kernel machine regression (BKMR) and quantile g-computation models were used. The geometric means of BPA, BPB, BPC, BPF, BPS, BPAF, and ΣBPs levels in urine were 3.03, 0.24, 2.66, 0.36, 0.26, 0.72, and 7.55 μg/g creatinine, respectively. We observed a positive trend in the cumulative effects of BPs and iodine on serum triiodothyronine (FT3) and free thyroxine (FT4), as well as a U-shaped dose–response relationship between BPs and the probability of occurrence of thyroperoxidase autoantibody positivity in women with low urinary iodine concentration. In addition, a synergistic effect on the probability of occurrence of thyroid autoantibody positivity was observed between BPF and BPB, as well as between BPC and BPAF in this study. There were adverse health effects on the thyroid after co-exposure to BPs and iodine. Even if pregnant women were exposed to lower levels of BPs, women with iodine deficiency remained vulnerable to thyroid autoimmune disease. Full article
(This article belongs to the Special Issue Micronutrient Intake during Pregnancy)
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Review

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32 pages, 2403 KiB  
Review
Is Oral Iron and Folate Supplementation during Pregnancy Protective against Low Birth Weight and Preterm Birth in Africa? A Systematic Review and Meta-Analysis
by Yibeltal Bekele, Claire Gallagher, Mehak Batra, Don Vicendese, Melissa Buultjens and Bircan Erbas
Nutrients 2024, 16(16), 2801; https://doi.org/10.3390/nu16162801 - 22 Aug 2024
Cited by 2 | Viewed by 2383
Abstract
Background: Despite recent evidence demonstrating iron and folate supplementation reduces the risk of low birth weight and preterm births, synthesis of the evidence is not sufficient to understand their impacts in Africa. Method: MEDLINE, PsycINFO, Embase, Scopus, CHINAL, Web of Science, Cochrane databases, [...] Read more.
Background: Despite recent evidence demonstrating iron and folate supplementation reduces the risk of low birth weight and preterm births, synthesis of the evidence is not sufficient to understand their impacts in Africa. Method: MEDLINE, PsycINFO, Embase, Scopus, CHINAL, Web of Science, Cochrane databases, and Google Scholar were searched for the published and grey literature. Either iron-only, folate-only, or iron–folic acid (IFA) oral supplementation during pregnancy was the primary exposure/intervention. The focus of this review was low birth weight and preterm births in the African region. Qualitative synthesis, meta-analysis, and subgroup analysis were employed. Results: In the qualitative synthesis (n = 4), IFA supplementation showed a positive impact on reducing preterm birth. Additionally, the meta-analysis showed that IFA and iron-only supplementation reduced the odds of low birth weight by 63% (OR 0.37; 95% CI: 0.29, 0.48) and 68% (OR 0.32; 95% CI: 0.21 to 0.50), respectively. Conclusion: Both iron-only and IFA supplementation are effective in reducing the risk of low birth weight in Africa. There is also promising evidence suggesting a potential reduction in preterm births. Consequently, further research is needed, particularly targeting high-risk groups such as women residing in rural areas with limited support and low levels of literacy. Full article
(This article belongs to the Special Issue Micronutrient Intake during Pregnancy)
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